[OSM-dev] Loading Vector Files from URL parameters (Potlatch2)

[Richard Fairhurst]

Kate Chapman wrote:
> Is there a way to load a vector file from a URl parameter in Potlatch2?
> We have grids of areas for people to edit and want to load in a grid
> square as a guide.

If you're just using Potlatch 2 on osm.org, you can pass it an uploaded GPX
in the usual way - http://www.openstreetmap.org/edit?gpx=849405 (or whatever
the id of the GPX is).

If you're hosting your own instance, you can go further by calling in a GPX
from anywhere at all. Follow the instructions at
http://wiki.openstreetmap.org/wiki/Potlatch_2/Deploying_Potlatch_2 , and add
a line like this:
   fo.addVariable("gpx_url",
"http://wherever.your.gpx.file.is/something.gpx");

In that case, you'll also need to add a permissions file to the root of the
server (dear old Flash). The easiest way to do this is to copy
http://api.flickr.com/crossdomain.xml and save it at
http://wherever.your.gpx.file.is/crossdomain.xml .

Deploying your own P2 instance is really worth looking into - you can
customise it to have all the presets, rendering and so on that you need. 

If you'd like help or extra features let us know - the potlatch-dev list is
probably the best place.

cheers
Richard


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